[MD settings] settings for pdf documents

chrome/browser/resources/settings/site_settings/constants.js

Index: chrome/browser/resources/settings/site_settings/constants.js
diff --git a/chrome/browser/resources/settings/site_settings/constants.js b/chrome/browser/resources/settings/site_settings/constants.js
index bd07ceb51e85fbd766908889aa2069fc9d1a79cf..727c8cf834ecc764ed525020aa595755b94115aa 100644
--- a/chrome/browser/resources/settings/site_settings/constants.js
+++ b/chrome/browser/resources/settings/site_settings/constants.js
@@ -13,21 +13,22 @@ cr.exportPath('settings');
  * @enum {string}
  */
 settings.ContentSettingsTypes = {
+  AUTOMATIC_DOWNLOADS: 'multiple-automatic-downloads',
+  BACKGROUND_SYNC: 'background-sync',
+  CAMERA: 'media-stream-camera',
   COOKIES: 'cookies',
+  FULLSCREEN: 'fullscreen',
+  GEOLOCATION: 'location',
   IMAGES: 'images',
   JAVASCRIPT: 'javascript',
+  KEYGEN: 'keygen',
+  MIC: 'media-stream-mic',
+  NOTIFICATIONS: 'notifications',
+  PDF_DOCUMENTS: 'pdf-documents',
   PLUGINS: 'plugins',
   POPUPS: 'popups',
-  GEOLOCATION: 'location',
-  NOTIFICATIONS: 'notifications',
-  FULLSCREEN: 'fullscreen',
-  MIC: 'media-stream-mic',
-  CAMERA: 'media-stream-camera',
   PROTOCOL_HANDLERS: 'register-protocol-handler',
   UNSANDBOXED_PLUGINS: 'ppapi-broker',
-  AUTOMATIC_DOWNLOADS: 'multiple-automatic-downloads',
-  KEYGEN: 'keygen',
-  BACKGROUND_SYNC: 'background-sync',
   USB_DEVICES: 'usb-chooser-data',
   ZOOM_LEVELS: 'zoom-levels',
 };